Health Care Service Type Codes FAQ

• Start
  Every code has a Start date. This is the date when the code was first available in the code list.
• Last Modified
  When populated, this is the date of the code list release when the definition of the specific code was last modified by the committee. Modifications are defined as minor changes such as typos or clarification to the description. Major modifications would require a new code to be added.
• Stop
  When populated, this date identifies that the code can no longer be used in original business messages.

Health Care Service Type Codes are supported in the ASC X12 270, 271, and 278 transaction sets.

• 1 – the end of January/beginning of February
• 2 – the beginning of June
• 3 – the end of September/beginning of October
• Additional information about the ASC X12 meeting

• Committee membership list